﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace LayoutPlanning
{
    /// <summary>
    /// Follow steps 1a or 1b and then 2 to use this custom control in a XAML file.
    ///
    /// Step 1a) Using this custom control in a XAML file that exists in the current project.
    /// Add this XmlNamespace attribute to the root element of the markup file where it is 
    /// to be used:
    ///
    ///     xmlns:MyNamespace="clr-namespace:LayoutPlanning"
    ///
    ///
    /// Step 1b) Using this custom control in a XAML file that exists in a different project.
    /// Add this XmlNamespace attribute to the root element of the markup file where it is 
    /// to be used:
    ///
    ///     xmlns:MyNamespace="clr-namespace:LayoutPlanning;assembly=LayoutPlanning"
    ///
    /// You will also need to add a project reference from the project where the XAML file lives
    /// to this project and Rebuild to avoid compilation errors:
    ///
    ///     Right click on the target project in the Solution Explorer and
    ///     "Add Reference"->"Projects"->[Browse to and select this project]
    ///
    ///
    /// Step 2)
    /// Go ahead and use your control in the XAML file.
    ///
    ///     <MyNamespace:FocusAndBlur/>
    ///
    /// </summary>
    public class FocusAndBlur : Control
    {
        static FocusAndBlur()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(FocusAndBlur), new FrameworkPropertyMetadata(typeof(FocusAndBlur)));
        }

        public static readonly DependencyProperty TopProperty = DependencyProperty.Register(
            "Top", typeof(double), typeof(FocusAndBlur), new PropertyMetadata(default(double)));

        public double Top
        {
            get { return (double) GetValue(TopProperty); }
            set { SetValue(TopProperty, value); }
        }

        public static readonly DependencyProperty BottomProperty = DependencyProperty.Register(
            "Bottom", typeof(double), typeof(FocusAndBlur), new PropertyMetadata(default(double)));

        public double Bottom
        {
            get { return (double) GetValue(BottomProperty); }
            set { SetValue(BottomProperty, value); }
        }

        public static readonly DependencyProperty LeftProperty = DependencyProperty.Register(
            "Left", typeof(double), typeof(FocusAndBlur), new PropertyMetadata(default(double)));

        public double Left
        {
            get { return (double) GetValue(LeftProperty); }
            set { SetValue(LeftProperty, value); }
        }

        public static readonly DependencyProperty RightProperty = DependencyProperty.Register(
            "Right", typeof(double), typeof(FocusAndBlur), new PropertyMetadata(default(double)));

        public double Right
        {
            get { return (double) GetValue(RightProperty); }
            set { SetValue(RightProperty, value); }
        }   
    }
}
